B 6192065 Pages:3

Reg No.:_. Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIFTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), DEC 2019
Course Code: EE303
Course Name: LINEAR CONTROL SYSTEMS

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 5 marks. Marks
1 Explain Mason’s gain formula? (5)
2 Obtain the unit step response of first order system? (5)
3 20(s+5) ൫൭

A unity feedback system has an open loop transfer function =
$` (५ + 0.1)(+ +3)

Determine steady state error for unit parabolic input?

4 Explain the effect of adding poles and zeros on root locus? (5)

5 Sketch the bode plot for given (ग) (ज) = हत without using semi log sheet? (5)

6 Explain about frequency domain specifications? (5)

7 Draw the polar plot of type 0 second order system? (5)

8 Explain transportation lag and non-minimum phase systems? (5)
PART ‏تا‎

Answer any two full questions, each carries 10 marks.

9 a) Write the differential equations governing the mechanical system and hence (6)
draw the electrical analogous circuit using F-V analogy and F-I analogy

ولا 7

b) Derive the transfer function of an armature controlled ‏عل‎ motor with block (4)

diagram?

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